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Backward lasing of ...
Backward lasing of singly ionized nitrogen ions pumped by femtosecond laser pulses
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- Zhang, Xiang (författare)
- University of Shanghai for Science and Technology
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- Danylo, Rostyslav (författare)
- École Polytechnique,University of Shanghai for Science and Technology
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- Fan, Zhengquan (författare)
- University of Shanghai for Science and Technology
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- Ding, Pengji (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,The French National Centre for Scientific Research (CNRS),École Polytechnique
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- Kou, Chenhao (författare)
- University of Shanghai for Science and Technology
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- Liang, Qingqing (författare)
- University of Shanghai for Science and Technology
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- Houard, Aurélien (författare)
- École Polytechnique
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- Tikhonchuk, Vladimir (författare)
- University of Bordeaux,Academy of Sciences of the Czech Republic
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- Mysyrowicz, André (författare)
- École Polytechnique
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- Liu, Yi (författare)
- University of Shanghai for Science and Technology
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(creator_code:org_t)
- 2020-03-02
- 2020
- Engelska.
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Ingår i: Applied Physics B: Lasers and Optics. - : Springer Science and Business Media LLC. - 0946-2171. ; 126:3
- Relaterad länk:
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http://dx.doi.org/10...
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http://arxiv.org/pdf...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We report on the observation of backward lasing at 391.4 nm of nitrogen ions pumped by linearly polarized intense femtosecond pulses at 800 nm. The strongly enhanced spectral intensity at 391.4 nm, as well as the amplification of an externally injected backward seeding pulse, confirm that the backward 391.4 nm signal is due to optical amplification in the nitrogen gas plasma. Compared to the forward emission at 391.4 nm, the optimal backward emission is achieved at a lower gas pressure around 10 mbar, which is due to asymmetry of the backward and forward directions rooted in the traveling excitation geometry. Comparison of the signals in pure nitrogen and air revealed a strong quenching effect of the oxygen molecules, preventing backward lasing action in ambient air.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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Till lärosätets databas
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Zhang, Xiang
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Danylo, Rostysla ...
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Fan, Zhengquan
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Ding, Pengji
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Kou, Chenhao
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Liang, Qingqing
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visa fler...
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Houard, Aurélien
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Tikhonchuk, Vlad ...
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Mysyrowicz, Andr ...
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Liu, Yi
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Atom och molekyl ...
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Applied Physics ...
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Applied Physics ...
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Lunds universitet